Dog muzzle



FIG. 1 is a perspective view of a dog muzzle showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is an enlarged left view thereof;

FIG. 5 is an enlarged right view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The grid area in the figure indicates that the area is made of mesh material. 

CLAIM The ornamental design for a dog muzzle, as shown and described. 